Thank you, that was it!
Strange that it's not stated as requirement on rusmap page. Oh well.

Tried rusmap only and promod only - game loads and asks for starting city. But when i run both with correct load order from rusmap folder - game crashes on loading. Here is game log: https://pastebin.com/rN2u06qW Load order: https://imgur.com/a/cdkp1gt Installed DLCs: https://imgur.com/a/IqVHMAo Ple...